logitech h390 usb headset, black with enhanced digital audio and in-line controls. experience clear internet calls with simple plug-and-play usb-a connection and a noise-cancelling mic.in-line controls let you control volume or mute without interrupting calls. laser-tuned drivers deliver enhanced digital audio with your favourite music and games. the perfect business headset for voice calls, skype, webinars and more. the 7.64 ft (233cm) cable is just the right length to give you the freedom to stand up and stretch during long conversations. adjustable headband features swivel-mounted, leatherette ear cushions for hours of comfort. easy to clean, too. this plug-and-play headset can be used with any pc or mac computer with a usb-a port or adapter without the need to install software.